/****************************************************************************** * * Module Name: utpredef - support functions for predefined names * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp. * All rights reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include #include #include #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME ("utpredef") /* * Names for the types that can be returned by the predefined objects. * Used for warning messages. Must be in the same order as the ACPI_RTYPEs */ static const char *UtRtypeNames[] = { "/Integer", "/String", "/Buffer", "/Package", "/Reference", }; /******************************************************************************* * * FUNCTION: AcpiUtGetNextPredefinedMethod * * PARAMETERS: ThisName - Entry in the predefined method/name table * * RETURN: Pointer to next entry in predefined table. * * DESCRIPTION: Get the next entry in the predefine method table. Handles the * cases where a package info entry follows a method name that * returns a package. * ******************************************************************************/ const ACPI_PREDEFINED_INFO * AcpiUtGetNextPredefinedMethod ( const ACPI_PREDEFINED_INFO *ThisName) { /* * Skip next entry in the table if this name returns a Package * (next entry contains the package info) */ if ((ThisName->Info.ExpectedBtypes & ACPI_RTYPE_PACKAGE) && (ThisName->Info.ExpectedBtypes != ACPI_RTYPE_ALL)) { ThisName++; } ThisName++; return (ThisName); } /******************************************************************************* * * FUNCTION: AcpiUtMatchPredefinedMethod * * PARAMETERS: Name - Name to find * * RETURN: Pointer to entry in predefined table. NULL indicates not found. * * DESCRIPTION: Check an object name against the predefined object list. * ******************************************************************************/ const ACPI_PREDEFINED_INFO * AcpiUtMatchPredefinedMethod ( char *Name) { const ACPI_PREDEFINED_INFO *ThisName; /* Quick check for a predefined name, first character must be underscore */ if (Name[0] != '_') { return (NULL); } /* Search info table for a predefined method/object name */ ThisName = AcpiGbl_PredefinedMethods; while (ThisName->Info.Name[0]) { if (ACPI_COMPARE_NAMESEG (Name, ThisName->Info.Name)) { return (ThisName); } ThisName = AcpiUtGetNextPredefinedMethod (ThisName); } return (NULL); /* Not found */ } /******************************************************************************* * * FUNCTION: AcpiUtGetExpectedReturnTypes * * PARAMETERS: Buffer - Where the formatted string is returned * ExpectedBTypes - Bitfield of expected data types * * RETURN: Formatted string in Buffer. * * DESCRIPTION: Format the expected object types into a printable string. * ******************************************************************************/ void AcpiUtGetExpectedReturnTypes ( char *Buffer, UINT32 ExpectedBtypes) { UINT32 ThisRtype; UINT32 i; UINT32 j; if (!ExpectedBtypes) { strcpy (Buffer, "NONE"); return; } j = 1; Buffer[0] = 0; ThisRtype = ACPI_RTYPE_INTEGER; for (i = 0; i < ACPI_NUM_RTYPES; i++) { /* If one of the expected types, concatenate the name of this type */ if (ExpectedBtypes & ThisRtype) { strcat (Buffer, &UtRtypeNames[i][j]); j = 0; /* Use name separator from now on */ } ThisRtype <<= 1; /* Next Rtype */ } } /******************************************************************************* * * The remaining functions are used by iASL and AcpiHelp only * ******************************************************************************/ #if (defined ACPI_ASL_COMPILER || defined ACPI_HELP_APP) /* Local prototypes */ static UINT32 AcpiUtGetArgumentTypes ( char *Buffer, UINT16 ArgumentTypes); /* Types that can be returned externally by a predefined name */ static const char *UtExternalTypeNames[] = /* Indexed by ACPI_TYPE_* */ { ", Type_ANY", ", Integer", ", String", ", Buffer", ", Package" }; /* Bit widths for resource descriptor predefined names */ static const char *UtResourceTypeNames[] = { "/1", "/2", "/3", "/8", "/16", "/32", "/64", "/variable", }; /******************************************************************************* * * FUNCTION: AcpiUtMatchResourceName * * PARAMETERS: Name - Name to find * * RETURN: Pointer to entry in the resource table. NULL indicates not * found. * * DESCRIPTION: Check an object name against the predefined resource * descriptor object list. * ******************************************************************************/ const ACPI_PREDEFINED_INFO * AcpiUtMatchResourceName ( char *Name) { const ACPI_PREDEFINED_INFO *ThisName; /* * Quick check for a predefined name, first character must * be underscore */ if (Name[0] != '_') { return (NULL); } /* Search info table for a predefined method/object name */ ThisName = AcpiGbl_ResourceNames; while (ThisName->Info.Name[0]) { if (ACPI_COMPARE_NAMESEG (Name, ThisName->Info.Name)) { return (ThisName); } ThisName++; } return (NULL); /* Not found */ } /******************************************************************************* * * FUNCTION: AcpiUtDisplayPredefinedMethod * * PARAMETERS: Buffer - Scratch buffer for this function * ThisName - Entry in the predefined method/name table * MultiLine - TRUE if output should be on >1 line * * RETURN: None * * DESCRIPTION: Display information about a predefined method. Number and * type of the input arguments, and expected type(s) for the * return value, if any. * ******************************************************************************/ void AcpiUtDisplayPredefinedMethod ( char *Buffer, const ACPI_PREDEFINED_INFO *ThisName, BOOLEAN MultiLine) { UINT32 ArgCount; /* * Get the argument count and the string buffer * containing all argument types */ ArgCount = AcpiUtGetArgumentTypes (Buffer, ThisName->Info.ArgumentList); if (MultiLine) { printf (" "); } printf ("%4.4s Requires %s%u argument%s", ThisName->Info.Name, (ThisName->Info.ArgumentList & ARG_COUNT_IS_MINIMUM) ? "(at least) " : "", ArgCount, ArgCount != 1 ? "s" : ""); /* Display the types for any arguments */ if (ArgCount > 0) { printf (" (%s)", Buffer); } if (MultiLine) { printf ("\n "); } /* Get the return value type(s) allowed */ if (ThisName->Info.ExpectedBtypes) { AcpiUtGetExpectedReturnTypes (Buffer, ThisName->Info.ExpectedBtypes); printf (" Return value types: %s\n", Buffer); } else { printf (" No return value\n"); } } /******************************************************************************* * * FUNCTION: AcpiUtGetArgumentTypes * * PARAMETERS: Buffer - Where to return the formatted types * ArgumentTypes - Types field for this method * * RETURN: Count - the number of arguments required for this method * * DESCRIPTION: Format the required data types for this method (Integer, * String, Buffer, or Package) and return the required argument * count. * ******************************************************************************/ static UINT32 AcpiUtGetArgumentTypes ( char *Buffer, UINT16 ArgumentTypes) { UINT16 ThisArgumentType; UINT16 SubIndex; UINT16 ArgCount; UINT32 i; *Buffer = 0; SubIndex = 2; /* First field in the types list is the count of args to follow */ ArgCount = METHOD_GET_ARG_COUNT (ArgumentTypes); if (ArgCount > METHOD_PREDEF_ARGS_MAX) { printf ("**** Invalid argument count (%u) " "in predefined info structure\n", ArgCount); return (ArgCount); } /* Get each argument from the list, convert to ascii, store to buffer */ for (i = 0; i < ArgCount; i++) { ThisArgumentType = METHOD_GET_NEXT_TYPE (ArgumentTypes); if (ThisArgumentType > METHOD_MAX_ARG_TYPE) { printf ("**** Invalid argument type (%u) " "in predefined info structure\n", ThisArgumentType); return (ArgCount); } strcat (Buffer, UtExternalTypeNames[ThisArgumentType] + SubIndex); SubIndex = 0; } return (ArgCount); } /******************************************************************************* * * FUNCTION: AcpiUtGetResourceBitWidth * * PARAMETERS: Buffer - Where the formatted string is returned * Types - Bitfield of expected data types * * RETURN: Count of return types. Formatted string in Buffer. * * DESCRIPTION: Format the resource bit widths into a printable string. * ******************************************************************************/ UINT32 AcpiUtGetResourceBitWidth ( char *Buffer, UINT16 Types) { UINT32 i; UINT16 SubIndex; UINT32 Found; *Buffer = 0; SubIndex = 1; Found = 0; for (i = 0; i < NUM_RESOURCE_WIDTHS; i++) { if (Types & 1) { strcat (Buffer, &(UtResourceTypeNames[i][SubIndex])); SubIndex = 0; Found++; } Types >>= 1; } return (Found); } #endif